Debris Flow in Honolulu County, Hawaii

Debris Flow December 20, 2023 – December 21, 2023 · Honolulu County, Hawaii

Where the report was made, with tornadoes recorded within 15 miles over the years.

What the National Weather Service wrote

Heavy rainfall over the Koolau Mountain Range led to a landslide on the Pali Highway. Honolulu Police Department reported the closure of the town-bound lanes of the Pali Highway due to a landslide.

The wider storm

Abundant low level moisture and atmospheric instability led to periods of heavy rainfall with flooding over portions of the islands.

Began near Maunawili (21.3664, -157.7963).

Source: NOAA Storm Events Database, event 1147660. Narratives are written by the National Weather Service forecast office that issued the report.

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